From b2ef919b742851aa496aefade8b41e8acd7694bd Mon Sep 17 00:00:00 2001 From: Eric Schoeneberg Date: Mon, 31 Mar 2025 19:37:26 +0200 Subject: [PATCH] added CAN GPIO configuration to bxcan README caveats --- stm32/libcanard/bxcan/README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/stm32/libcanard/bxcan/README.md b/stm32/libcanard/bxcan/README.md index 2866192..5b7a3ad 100644 --- a/stm32/libcanard/bxcan/README.md +++ b/stm32/libcanard/bxcan/README.md @@ -40,6 +40,8 @@ In order to avoid frame loss due to RX overrun, the following measures should be * The driver does not permit concurrent access from different threads of execution. * The clocks of the CAN peripheral must be enabled by the application before the driver is initialized. The driver cannot do that because this logic is not uniform across the STM32 family. +* The driver does not configure CAN GPIOs, as they vary by hardware setup. + Note that it is possible to invoke the driver's API functions from IRQ context, provided that the application takes care about proper guarding with critical sections.